/* * Copyright © 2005 Red Hat, Inc. * Copyright © 2008 Chris Wilson * * Permission to use, copy, modify, distribute, and sell this software * and its documentation for any purpose is hereby granted without * fee, provided that the above copyright notice appear in all copies * and that both that copyright notice and this permission notice * appear in supporting documentation, and that the name of * Red Hat, Inc. not be used in advertising or publicity pertaining to * distribution of the software without specific, written prior * permission. Red Hat, Inc. makes no representations about the * suitability of this software for any purpose. It is provided "as * is" without express or implied warranty. * * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Author: Carl D. Worth <cworth@cworth.org> * Chris Wilson <chris@chris-wilson.co.uk> */ #include "cairo-test.h" static cairo_test_status_t draw (cairo_t *cr, int width, int height) { cairo_pattern_t *gradient; gradient = cairo_pattern_create_linear (0, 0, 0, height); cairo_pattern_add_color_stop_rgba (gradient, 0.0, 1.0, 0.0, 0.0, 0.5); cairo_pattern_add_color_stop_rgba (gradient, 0.0, 0.0, 1.0, 0.0, 0.5); cairo_pattern_add_color_stop_rgba (gradient, 1.0, 0.0, 0.0, 1.0, 0.5); cairo_set_source (cr, gradient); cairo_paint (cr); cairo_pattern_destroy (gradient); return CAIRO_TEST_SUCCESS; } CAIRO_TEST (gradient_constant_alpha, "Tests drawing of a gradient with constant alpha values in the color stops", "gradient, alpha", /* keywords */ NULL, 10, 10, NULL, draw)